brockett



Dec. 7,1926. 1,610,118 1 A. H. BROCKETT FUEL FEEDING SYSTEM Filed April 14, 1925 i :1 I 1 M ATTORNEY the auxiliary tank;

ASHLEYH. BROCKETT, oEP TTsB RGI-I,rnnivsvtvanrni T i Bunyan-untrue sYsTnMQ J Application filed A ril 14,'-1925. Serial nOQ 23,097.

invention is for a fuel feeding 'de vice for automobile power plants Where the fuel is fed by gravity to the carburetor. In

some automobiles and other. vehicles, it agravity fuel feeding system is used in trans- 'ferring-the fuel from the supply reservoir to thecarburetora Such a'system is used,

for instance, in Ford automobiles.

In such systems of fuel it'eeding, the fuel tank is generally located on the vehicle at some point Well back'of the engine and at-a very slight normal elevation with respect. I to the carburetor. WVhen't-he'car is going :up a fairly steep) grade, difficulty is encountered'in feeding fuel to the carburetor unless the supply tank is nearly full.

' The present invention, Which is particularly though not necessarily applicable to "Ford cars, has for its object-to provide a system Whereina considerable head of fuel be assured, even Whenthefluid level in the main tank is verylo-vv. I

Affurther object ofthe inventlon s to provide a self-filling emergency reservoir wherein a small supply of'fuel for emergency purposes is always available;

I Another object of the invention is to proj vide a -convenient means for determining the-fuel level in the tank Where the tankis 3O notconveniently accessible;

These and other objectsand" advantages .are attained by the invention which may be readily-understood by reference to theaccompanyingl drawings, in Which:

Fig; 1 is a side elevation or afuel feeding system embodyingthe invention;

. Fi 2 shows a vertical section through.-

Fig.3 is atop planf F 2;

sispreferablyused in the invention. I

In Fig.- 1,the arrangement is that found in Ford cars, with the exception view of the tank of thatmy invention is included therein. The Y v V r try an efiectlve gas feed can be automatically outline m designatesa Ford or other motor vehicle. The main fuel tank is designated 5, and

in in Ford cars is generally located under the front seat. Leading fromthe bottom of this tank is a fuel feed pipe 6. Ordinarily,

this pipe leads directly toythe carburetor 7 L According to thepresent invention, the pipe 6 leads to the bottom of an auxiliary tank 8 through a connection 9, with a 'valve casing a'having an uppervalveseated cavity 1- is a detail section of a valve, which' similar toi in which is a ball o'r other suitable gravitating check Valve 1l). A suitable spring re tracted push rod '11, extending through the bottom of'casing'a, is provided in the valve body or casing c for temporarily unseating the check valve for the purpose hereinafter explained. I I Leading from the bottom'of tank 8,.is a' p1pe12 going to the carburetor- 7. The

tank 8 is p'referablyin the form of ametal i cylinder of small diameter, and considerthe dash and ell above the carburetor, so

thatthere is a considerable drop in pipe 12. Afdrain cook 13 may alsobe provided in'thebottom 'of thetanki i I -,A suitable a-ir'vent 14 maybe provided in the top of the tank; ScreW'ed-intd'a threaded opening 'inth'e top of'the tank is a cylindrical'ernergency containe'rfl5 having i "able height, and issecure'd to the frontof'; v

a closed bottom, buthavingan opening 16 y. in the side thereof well "above thebottom,

' and preferably above' the middlei thereof; i

Passing through the top of the tank '8 is an indicator r'odyl? on alevel" indicating float '18., A small' -catch :19 pivoted on the top of the tank may be moved into and out of engagement.,with th'e rod,- this catch, when engaging the rod holding-it depressed, being In operation,v hen then'entered ina small notch 17 near"; :thetop of the rod. fuelfis' put in the main tank 5,- it Willseek-its levelv inljtank Sa -If the car .thenystarts upra grade, so that the I main tank is lower than the auxiliary tank,

the check valve Will 'prevent'the back flow: f of fuel, and a head will thus be maintained i in thefauxiliary tank, of sufficient volume and almost'directly'over the carburetor to j carry the car up-a long grade. When the car goesl down hill, so-that the auxiliary tank 8 is below the inainsupply, the depth of liquid in'the auxiliary-tank Will be in-:

creasediwell above that in the main tank.

Thus, When. traveling throughhilly counmaintained, even though the supply in the the depth in. the auxiliary tank reaches openingpl'6 .in the emergency cylmder 15, this this-fuel will be trapped. When fuel isv needed for. emergency purposes, the cylinder need only be removed and its contentspoured into the auxiliaryftank. While lthe'volume cylincler Will fill to thatlevel with fuel, and

l in

of fuel in'the emergency supply'lthus provided would be too smalltobe "of use if poured into the-main tank, it will be most effective When'poured into the small auxiL iary tankalmost directly above the carb'w' retor. This emergency supply 18 autom-at' ically replenished when. the car is refueled. In Ford automobiles, it'is necessary to lift the cushion inthe front seat to measure the down grade.

supply of gasoline. By providing a float indicator in the auxiliary chamber, the fuel driven over particularly hilly country. I Itv provides a convenient emergency supply of gas, anda convenient means for using a very smallemergeney supply that would ordinay immediately. below the bottom as with the rily be ineffectiveif emptiedrdirectly into the main tank. This would not be so if the check valve were remotely located with respect to the bottom-ofthe tank, instead of present construction.

What I claim is: I r p '1. The combination with a fuel feeding system embodying am-ain tank and a carburetofrbelow the-level-of-the-niain tank, of'an .a'uxiliary'tankhaving a che'ckvalve casing extendln'g i'downwardly therefrom,ia pipe deading from the main tank to the check valve casing of the auxiliary tank, acheck f valve in said? casing imniediatelybelow the -bottom of, the auxiliary tankabove theoutlet end of said'pipe to prevent ba'okflow of the system.- 7

fuel from the auxiliary tank to the main tank, an unseating. stem for the check valve extending downwardly through the j check valve casing, and a pipe leading-from the bottom of the auxiliary tank to the carburetor.

2. The combination witha fuel feeding system including a main tank and a carburetor below the level of the main tank, of an auxiliary tank having a'check valve casing extending downwardly therefrom, 'a pipe leading from the maintank to "the check valve casing of the auxiliary tank, a balltype check valve in said casing immediately below the bottom of the auxiliary tank above the outlet end of said pipetoprevent backfiow of fuel from theauxiliarytank to the main tank, the ball (or the valve being close to the bottom of the auxiliary tank, a

spring retracted unseating stem for the check valve extending downwardly through the check valve casing, and aplpe leading from the bottom of the auxiliary tank to the earhuretor. l

3. The combination with a fuel feeding system-including am'ain tank and a oarbtu retor below the level of the main tank, of an auxiliary tank, apipe leading from the main tank to thebottom of the auxiliary tank, a

check valveimmediately below the bottom of the auxiliary tank at the outlet end of said V pipe to prevent baickfiow of fuel from the auxiliary tank to the main tanlga-pipe lead ing from the bottom of the auxiliary; tankfto the carburetor, a float indicator in the auxiliary tank, and meansfor opening the check valve'whereby the level in the-auxiliary tank 7 and the main tank may be equalized when it IS desired to measure .In testimony whereof lhereunto aff x my signature. 7 e m 7 ASHLEY BROCKETT.

the amount of fuel in i 

